My high school friend Yusuke and I found out one day that Mori, a mutual friend, had committed suicide. I’d found a job after graduating, but my boss hated me. The only way I could make it through the day was by posting depressing thoughts on social media. Yusuke lived for the moment, and didn’t care about anything but having fun each day. Mori’s death forced us to rethink what we knew about living and loving…